Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Conrad Zachary Carlin"'
Publikováno v:
IEEE Journal of Photovoltaics. 6:997-1003
Currently available materials for III–V multijunction solar cells lattice matched to GaAs covering the spectral range from 1.65 to 1.82 eV are composed of either immiscible quaternary alloys or contain aluminum. We report the fabrication of a novel
Autor:
Joshua P. Samberg, Geoffrey K. Bradshaw, Peter C. Colter, Conrad Zachary Carlin, Salah M. Bedair
Publikováno v:
IEEE Transactions on Electron Devices. 60:2532-2536
Minority carrier transport across InGaAs/GaAsP multiple quantum wells is studied by measuring the response of p-i-n and n-i-p GaAs solar cell structures. It is observed that the spectral response depends critically upon the width of the GaAsP barrier
Autor:
Conrad Zachary Carlin, Geoffrey K. Bradshaw, Nadia A. El-Masry, Joshua P. Samberg, Salah M. Bedair, Peter C. Colter
Publikováno v:
IEEE Journal of Photovoltaics. 3:278-283
Multiple quantum wells (MQW) lattice matched to GaAs consisting of In0.14Ga0.76As wells balanced with GaAs0.24P0.76 barriers have been used to extend the absorption of GaAs subcells to longer wavelengths for use in an InGaP/GaAs/Ge triple-junction ph
Autor:
Salah M. Bedair, Peter C. Colter, Geoffrey K. Bradshaw, Joshua P. Samberg, Conrad Zachary Carlin
Publikováno v:
Journal of Electronic Materials. 42:912-917
Strained-layer superlattice (SLS) structures, such as InGaAs/GaAsP lattice matched to GaAs, have shown great potential in absorption devices such as photodetectors and triple-junction photovoltaic cells. However, until recently they have been somewha
Autor:
Joshua P. Samberg, Conrad Zachary Carlin, Nadia A. El-Masry, Salah M. Bedair, Jay Hauser, Kenneth Edmonson, Peter C. Colter, Geoffrey K. Bradshaw
We report on a joint research program between NCSU and Spectrolab to develop an upright multijunction solar cell structure with a potential efficiency exceeding the current record of 41.6% reported by Spectrolab. The record efficiency Ge/GaAs/InGaP t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af3acca698698d57381e2234fa70069c
https://doi.org/10.2172/1146980
https://doi.org/10.2172/1146980
Publikováno v:
MRS Proceedings. 1210
The road to achieve ultra high efficiency is through multi-junction solar cells operating at high solar concentrations, larger than 1000 suns. Critical to the success of this approach is the development of tunnel junctions (TJ) that serve as electric
Autor:
Geoffrey K. Bradshaw, Jay Hauser, Conrad Zachary Carlin, Salah M. Bedair, Nadia A. El-Masry, Jeffrey L. Harmon, Joshua P. Samberg, Peter C. Colter
Publikováno v:
MRS Proceedings. 1211
InGaAs can be used to enhance the response of solar cells past the 1.43 eV cutoff of GaAs. Strained-layer superlattice (SLS) structures with high indium and phosphorus compositions (up to 35% and 68% respectively) have been grown successfully. SLS so
Autor:
Geoffrey K. Bradshaw, Joshua P. Samberg, Peter C. Colter, Conrad Zachary Carlin, Jeffrey L. Harmon, Salah M. Bedair
Publikováno v:
MRS Proceedings. 1211
Characteristics of strained layer superlattices (SLS) consisting of alternating layers InxGa1-xAs and GaAs1-yPy are examined for use in high efficiency solar cells. The effects of SLS quantum barrier widths on tunneling probability and short circuit